Publications
Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
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feline leukemia virus: occurrence of viral antigen in the tissues of cats with lymphosarcoma and other diseases. | felinie leutkemia viruts antigen is demonstrable by immunodiffusion with rabbit precipitating antiserum to purified felinie leukemia virus. the felinie leukemia virus antigen was found in the tissues of 25 of 33 cats with lymphosarcoma and of 5 of 13 cats with infectious peritonitis. its presence was correlated with the occurrence of felinie leukemia virus demonstrable by electron microscopy. the one clinically normal cat giving a positive test for feline leukemia virus antigen belonged to a hou ... | 1969 | 4981495 |
viral infection across species barriers: reversible alteration of murine sarcoma virus for growth in cat cells. | infection of cat embryo cells by a centrifugally induced aggregate of murine sarcoma virus and feline leukemia virus gave rise to a defective, focus-forming virus which propagated in cat cells, but not in mouse cells. this virus, apparently enveloped with a feline leukemia virus coat, was later subjected to aggregation with murine leukemia virus, whereupon it regained the capacity for growth in mouse cells. | 1969 | 5793978 |
ultrastructural studies of feline leukemia virus. | 1970 | 4991275 | |
feline leukemia virus: purification from tissue culture fluids. | 1970 | 5002006 | |
methods for the detection of viral antigen and antibody to a feline leukemia virus (a preliminary report). | 1970 | 5002008 | |
feline leukemia virus detection in vitro. | 1970 | 5467915 | |
epidemiology of feline leukemia (lymphosarcoma). | 1970 | 4376370 | |
serological studies of the feline leukemia virus. | 1970 | 4376371 | |
feline leukemia virus: detection of group-specific viral antigen and infectious virus by a complement-fixation test. | 1970 | 4376372 | |
feline leukemia characterization of the virus. | 1970 | 4376373 | |
growth of feline leukemia virus in human, canine and porcine cells. | 1970 | 4376374 | |
induction of tumors in marmoset monkeys with st-feline fibrosarcoma virus. | 1970 | 4376376 | |
comparisons of virus-like particles from leukotic cattle to feline leukosis virus. | 1970 | 4376380 | |
trans-species rescue of defective genomes of murine sarcoma virus from hamster tumor cells with helper feline leukemia virus. | this report describes a trans-species rescue of defective msv genome with helper leukemia virus derived from cats. this rescue was achieved by in vitro co-cultivation of hamster tumor cells with feline embryo cells in the presence of helper feline leukemia virus (felv), or by inoculation of tumor cells into felv-infected newborn cats. the rescued focus-forming viruses produced foci in feline embryo cultures but not in cultures of mouse, rat, and hamster species. one isolate was tested and found ... | 1970 | 4313195 |
physical alterations of a murine leukemia virus complex in mammalian cell cultures. | 1970 | 4142388 | |
productive infection and morphologic alteration of human cells by a modified sarcoma virus. | 1970 | 11515085 | |
infection and transformation of dog cells with a modified sarcoma virus. | dog-embryo cell cultures were infected with a mixture of feline leukemia virus (fellv) and a modified murine (moloney) sarcoma virus msv(fellv). morphological alteration of the cells was observed 3 days post infection. virus progeny from the infected cultures increased 50- to 100-fold in foci of cellular alteration on dog cell cultures pretreated with diethylaminoethyl-dextran, but only twofold on cat embryo cultures similarly treated. the numbers of foci produced corresponded to a dual infectio ... | 1970 | 18605433 |
a fluorescent antibody technique for the detection of the group-specific antigen of feline leukemia virus in infected tissue-culture cells. | 1971 | 4105993 | |
isolation and characterization of two group-specific antigens from feline leukemia virus. | 1971 | 4328488 | |
specific inhibition of mammalian ribonucleic acid c-type virus deoxyribonucleic acid polymerases by rat antisera. | inhibition of the ribonucleic acid (rna)- and deoxyribonucleic acid (dna)-dependent dna polymerase activities of mammalian c-type viruses was obtained with sera from rats bearing murine leukemia virus-induced transplant tumors. polymerase activities of nonmammalian (viper) c-type virus and murine mammary tumor virus were not inhibited by such sera nor by serum from a rat immunized with the dna polymerase of feline leukemia virus purified by isoelectric focusing. the latter serum appeared to inhi ... | 1971 | 4332148 |
helical nucleocapsid structure of the oncogenic ribonucleic acid viruses (oncornaviruses). | negative staining of virions and isolated nucleoids from avian myeloblastosis virus, murine leukemia virus, murine mammary tumor virus, and feline leukemia virus reveals common internal structures. the majority of virions that are penetrated by phosphotungstate show spherical nucleoids with no apparent symmetry. in a small percentage of virions, two distinctive structures are found: (i) single strands (3 to 5 nm in diameter) which are presumed to be the nucleoprotein and are found randomly orien ... | 1971 | 4108573 |
epidemiologic implications of feline leukemia virus. | 1971 | 4930304 | |
comments on epidemiologic implications of feline leukemia virus. | 1971 | 5575715 | |
isolation of the nucleic acid of feline leukemia virus. | 1971 | 5101019 | |
comments on feline leukemia virus. | 1971 | 5103499 | |
virology and host range of feline leukemia virus. | 1971 | 5108376 | |
feline leukemia-virus infection of kittens: mortality associated with atrophy of the thymus and lymphoid depletion. | 1971 | 5286051 | |
serologic detection of feline leukemia virus antigens or antibodies. | 1971 | 4995863 | |
comments on epidemiologic aspects of feline leukemia virus. | 1971 | 4930305 | |
continuous long-term replication of feline leukemia virus (felv) in an established canine cell culture (mdck). | 1972 | 4621402 | |
theta particles: a structure found in hamster sarcoma virus. | hamster sarcoma virus (hasv), a ribonucleic acid tumor virus, pelleted from tissue culture fluid manifests type c morphology by electron microscopy. however, if virus is first concentrated by polyethylene glycol or ammonium sulfate followed by density gradient banding, the virus shows a dramatically atypical barred core structure, termed "theta particles." this structure suggests a condensation of the ribonucleoprotein into a flat disc. atypical particles are found with hasv and not in similarly ... | 1972 | 4116139 |
major group-specific protein of rat type c viruses. | the major internal protein of a rat type c virus pseudotype of murine sarcoma virus, msv(ralv), was purified by isoelectric focusing (pi = 8.6) and used to prepare antibody in guinea pigs. the protein was identified by its reaction with antisera reactive with the mammalian type c virus group-specific (gs) antigenic determinant, gs-3. the guinea pig antisera mainly contained species-specific (gs-1) antibody for reactions in gel diffusion with other type c viruses were limited to those of rat orig ... | 1972 | 4117346 |
rescue of the murine sarcoma virus genome from non-producer cells by the rd-114 type c virus. | 1972 | 4358036 | |
feline leukemia. | 1972 | 4376153 | |
detection and assay of feline leukemia virus (felv) by a mixed-culture cytopathogenicity method. | 1972 | 4333572 | |
cytopathogenic test for feline leukemia virus infections. | a mixed culture cytopathogenic effect with the development of multinucleated giant cells in feline leukemia virus-infected cultures after cocultivation with xc cells is described. this cytopathogenic effect has been utilized as a convenient visual marker for the detection and assay of feline leukemia virus in feline and canine embryo fibroblasts as well as in a canine tumor cell line, m-132-1. comparison of the cytopathogenic reaction in the three cell lines indicates that the reaction is more r ... | 1972 | 4336663 |
induction of neoplasms by viruses in marmoset monkeys. | 1972 | 4342234 | |
tumor induction in squirrel monkeys by the st strain of feline sarcoma virus. | 1972 | 4342616 | |
nucleotide composition of the rna from rd-114 virions. | 1972 | 4342708 | |
a rapid direct radioimmunoassay for type c virus group-specific antigen and antibody. | 1972 | 4343114 | |
acute leukemia in identical twins: search for viral and leukemia-associated antigens. | 1972 | 4343478 | |
demonstration of antibody in cat sera to feline oncornavirus by complement-fixation inhibition. | 1972 | 4343689 | |
syncytial assay for the putative human c-type virus, rd-114, utilizing human cells transformed by rous sarcoma virus. | 1972 | 4343952 | |
poly u tracts absent from viral rna. | 1972 | 4344177 | |
location of feline leukemia-sarcoma group-specific antigen in infected human tissue culture cells. | feline leukemia-sarcoma group-specific antigens were located in human embryo cells infected with feline leukemia and feline sarcoma viruses. this was done by using the fluorescent-antibody and enzyme-labeled antibody techniques at both light and electron microscopic levels. the antigens were found to be exclusively intracytoplasmic, diffuse, and located in discrete punctate foci. | 1972 | 4344220 |
review of viral disease of cats. | 1972 | 4344966 | |
antigenic comparison of bovine type c virus with murine and feline leukemia viruses. | 1972 | 4345040 | |
revertants of mouse cells transformed by murine sarcoma virus. i. characterization of flat and transformed sublines without a rescuable murine sarcoma virus. | 1972 | 4117128 | |
immunologic reactivity of the cat: immunosuppression in experimental feline leukemia. | 1972 | 4346537 | |
natural history studies of the feline rna tumor virus genoma. i. detection of group specific antigen and c-type particles. | 1972 | 4349825 | |
search for oncogenes in human rhabdomyosarcoma cells. | 1972 | 4349826 | |
human cancer in households containing cats with malignant lymphoma. | 1972 | 4350192 | |
feline malignant lymphoma: environmental factors and the occurrence of this viral cancer in cats. | 1972 | 4350193 | |
reversible inactivation of the deoxyribonucleic acid polymerase of rauscher leukemia virus. | rauscher leukemia virus deoxyribonucleic acid polymerase is reversibly inactivated by 6 m guanidine-hydrochloride. gel filtration in 6 m guanidine-hydrochloride reveals that the viral deoxyribonucleic acid polymerase consists of a single polypeptide chain of approximately 70,000 molecular weight. | 1972 | 4117352 |
ribonuclease h: a ubiquitous activity in virions of ribonucleic acid tumor viruses. | ten ribonucleic acid (rna) tumor viruses grown in five different host cell species and three non-oncogenic viruses from three different virus groups have been examined for ribonuclease h content. three different substrates were used to assay ribonuclease h: calf thymus [(3)h]rna-deoxyribonucleic acid (dna) hybrid prepared with denatured calf thymus dna and escherichia coli dna-directed rna polymerase, (3)h-polydenylic acid [(3)h-poly(a)] complexed to polydeoxythymidylic acid [poly(dt)], and (3)h ... | 1972 | 4118867 |
specificity of antibody to the rd-114 viral polymerase. | 1973 | 4121714 | |
molecular relatedness of mammalian rna tumor viruses as determined by dna hybridization. | each of six mammalian c-type viruses-including two feline leukemia viruses, three murine leukemia viruses, and the human "candidate" virus rd-114-can be distinguished from each other by hybridizing dna synthesized by viral reverse transcriptase with viral rna. characterization of the dna . rna hybrids by hydroxylapatite chromatography revealed nucleotide sequence diversity among the viruses, detectable both by the amount of cross-hybridization and by the decreased thermal stability of heterologo ... | 1973 | 4122422 |
endogenous type c virus from a cat cell clone with properties distinct from previously described feline type c virus. | 1973 | 4122424 | |
isolation of rd-114-like oncornavirus from a cat cell line. | a clone of cells derived from a continuous line of cat cells (ccc) spontaneously produced an rna c-type virus (ccc virus) which did not have the group-specific antigen of the standard strains of feline leukemia viruses but did have that of the rd-114 virus. single-hit infection of a virus yielding ccc cell with only the feline leukemia virus pseudotype of murine sarcoma virus [msv(felv)] resulted in the release of a pseudotype of msv coated with the ccc virus envelope. host range, transmission o ... | 1973 | 4123287 |
feline leukemia and rd-114 virus group-specific proteins: comparison of amino terminal sequence. | the major internal virion polypeptide from feline and rd-114 type c viruses has been subjected to amino terminal sequence analyses with the beckman automated sequencer. these proteins, as well as their homologs in rat and mouse viruses, begin with the sequence prolylleucylarginyl (pro-leu-arg). virus rd-114 differs from conventional feline type c viruses that show about 80 percent relatedness based on calculation of the minimum number of base changes to give equivalent coding for the protein seg ... | 1973 | 4123999 |
structural proteins of oncogenic ribonucleic acid viruses. interspec ii, a new interspecies antigen. | 1973 | 4124987 | |
comparative serological studies on type c viruses of various mammals. | 1973 | 4125728 | |
utilization of mammalian 70s rna by a purified reverse transcriptase from human myelocytic leukemic cells. | 1973 | 4126334 | |
immunological relationship of dna polymerase from human acute leukaemia cells and primate and mouse leukaemia virus reverse transcriptase. | 1973 | 4126783 | |
expression of endogenous rna c-type virus group-specific antigens in mammalian cells. | highly sensitive and specific radioimmunoassays are described for quantitation of the intraspecies determinants of several mammalian c-type viral group-specific (gs) antigens. an interspecies (gs-3) immunoassay has been developed which has both the broad reactivity and great sensitivity necessary for detection of c-type viruses where intraspecies gs assays are not available. by using these immunoassays, the expression of endogenous virus-specified gs antigens in mammalian cells of different spec ... | 1973 | 4127032 |
determinants of the host range of feline leukaemia viruses. | 1973 | 4127732 | |
polypeptides of mammalian oncornaviruses. i. isolation and serological analysis polypeptides from murine and feline c-type viruses. | 1973 | 4127971 | |
control of group-specific antigen synthesis by the defective gazdar murine sarcoma virus genome. | 1973 | 4350230 | |
isolation of human amnion cells transformed by rescuable murine sarcoma virus. | 1973 | 4350532 | |
feline virus-induced tumors and the immune response: recent developments. | 1973 | 4350543 | |
current enigmas in cancer research. | 1973 | 4351100 | |
detection of feline syncytia-forming carrier state with a microimmunodiffusion test. | 1973 | 4346617 | |
oncogenic activity of feline fibrosarcoma virus in newborn pigs. | 1973 | 4348004 | |
syncytial giant cell focus assay for viruses derived from feline leukemia and a simian sarcoma. | 1973 | 4348580 | |
surface antigens on cat leukemic cells induced by feline leukemia virus: area density and antibody-binding affinity. | the binding of autologous bovine antibody to feline leukemia virus-induced cell surface antigens (fecsa) on cat leukemia cells was studied by performing certain titration procedures with a mixture of immune and normal sera labeled with different iodine radioisotopes (paired-label technique). by using plots of titration data which conformed to linear equations derived from the mass action law, we determined the following constants. (i) the density of fecsa was 2.03 x 10(6) sites per cell, or 5,23 ... | 1973 | 4349492 |
primate rna tumor virus-like dna synthesized endogenously by rna-dependent dna polymerase in virus-like particles from fresh human acute leukemic blood cells. | a particle of discrete biochemical composition was purified from fresh, unfrozen peripheral blood leukocytes of human patients with acute myeloblastic leukemia. this particle endogenously synthesized dna by use of an rna primer and template. about half of the dna sequences synthesized in the presence of actinomycin d hybridized to rna isolated from type-c sarcoma viruses of primates or mice; lower annealing values were obtained with rna isolated from other sarcoma or leukemia viruses. the result ... | 1973 | 4131745 |
[evidence for the existence of different antigenic determinants of the interspecies type in mammalian rna-c-type tumor viruses. comparative serological studies on viruses of various animal species including a virus suggested to be of human origin (author's transl)]. | 1973 | 4131792 | |
interspecies infection by feline leukemia virus: serial cell-free transmission in dogs of malignant lymphomas induced by feline leukemia virus. | 1973 | 4360147 | |
viral envelope antigens of the viruses of feline leukemia-sarcoma complex. | 1973 | 4360149 | |
significance of leukemia in animals for the human disease. | 1973 | 4360150 | |
structural and serological studies on animal 'c-type particles' and their implications for demonstrating corresponding viruses in man. | 1973 | 4360151 | |
studies on the relationship of rna viruses to the origin of leukemia and solid tumors of animals and man. | 1973 | 4360152 | |
electron microscopy of feline leukaemia virus rna. | 1973 | 4360153 | |
electron microscopy of early interactions between feline leukaemia virus and cells in tissue culture. | 1973 | 4360154 | |
continuing studies of feline sarcoma virus-induced tumors in nonhuman primates. | 1973 | 4360157 | |
simian sarcoma virus: oncogenicity, focus assay, presence of associated virus, and comparison with avian and feline sarcoma virus-induced neoplasia in marmoset monkeys. | 1973 | 4360159 | |
relationship between humoral antibodies and the failure to develop progressive tumors in cats injected with feline sarcoma virus (fsv). | 1973 | 4360194 | |
detection of the feline leukemia virus and other mammalian oncornaviruses by immunofluorescence. | 1973 | 4360195 | |
studies of human cells infected by leukemia viruses. | 1973 | 4360197 | |
feline leukaemia virus infection--the spectrum of associated disease and its relevance to the pathogenesis and immunology of leukaemia. | 1973 | 4360200 | |
specificity of the dna product of rna-dependent dna polymerase in type c viruses. ii. quantitative analysis. | a number of mammalian type c viruses were analyzed for relatedness by the technique of dna.rna hybridization. viral dnas were prepared in single-stranded form from complexes with 70s viral rna formed during endogenous polymerase reactions. extent of hybridization was assayed with the single-strand nuclease (s-1) from aspergillus oryzae. results obtained indicated a high degree of viral specificity, with significant cross-reactions being observed only with viruses obtained from within a species, ... | 1973 | 4129928 |
the 60 to 70s rna and reverse transcriptase of simian sarcoma and simian sarcoma-associated viruses. | 1973 | 4130033 | |
antibodies to feline oncornavirus group-specific antigens in feline sera. | 1973 | 4130403 | |
antigenic determinants shared by polypeptides of feline leukaemia virus. | 1973 | 4130406 | |
early lesions in cats inoculated with feline leukemia virus. | 1973 | 4345148 | |
fusion of a rous sarcoma virus transformed human cell line, kc, by rd-114 virus. | 1973 | 4357937 | |
rd 114 virus-specific sequences in feline cellular rna: detection and characterization. | rna extracted from cat cells contains sequences homologous to rd-114 viral rna. the sequences are measured by molecular hybridization with a single-stranded dna probe synthesized by the virion polymerase using the endogenous viral rna as template. viral-specific rna has been detected in all cells of cat origin tested thus far, but not in cells of other animals, except for the virus-producing human rhabdomyosarcoma cell, rd-114. the extent of hybridization of the dna probe to cellular rna was equ ... | 1973 | 4358169 |
horizontal transmission of feline leukaemia virus. | 1973 | 4147636 | |
feline rna tumor viruses. | 1973 | 4377948 | |
immunosuppression and experimental lymphoma. | 1973 | 4351400 |